Flexible joint for piping.



-PATENTED AUG. 18, 1908.

0. SOBIMIDT. FLEXIBLE JOINT FOR PIPING..

APPLICATION FILED FEB. 27, 1906.

Invewfiav- 60x1 Schmlcfi \Ndmsses UNITED STATES PATENT oFFIoE.

- CARL SCHMIDT, OF DRESDEN-RAGKNITZ, GERMANY.

FLEXIBLE .rom'r FOR PIPING.

Specification of Letters Patent.

heated Aug. 18, 1908.

Application filed February 27, 1906. Serial No. 303,165.

1 following is a specification.

My invention relates to improvements in flexible joints for piping, by means of which contractions and extensions of the latter are com ensated for.

T e device consists of a piece of ipe'connected in the length of piping in Wll-kIlOWIl manner and capable of bending to a certain extent and whose axis lies at an angle to that of the piping, so that the flexibility of the pipe can e utilized to compensate for alterations in the length of the piping.

The essential feature of the invention consists in the provision of pivotally secured, rigid bars connecting the terminal flanges of the ipe-sections to be united, and in the emp oyment of a clamp which tightly embraces the flexible ipe and in which the bars are slidable, in sue manner that on shifting of the flexible pipe when acting as compensator, its flanges always remain-parallel with each other and the bending of the flexible pipe occurs substantially at the central portion thereof.

One form of the invention is illustrated in the accompanying drawing, in which the figure is 9. art sectional View.

(Z d are tile rigid bars, pivotally connected at g g.

i is a clamp which tightly embraces the metallic hose a, the bars d being slidable in the clamp, When in compensating for alteration in ength of the p'lpmg the hose shifts, the termina flanges stil always remain parallel with each other: in other words, the said flanges in conjunction with the bars (1 (Z always form a parallelogram. The clamp '11 prevents bending of the hose under ressure;

and it also causes the bending on a teration of the length of the piping to. take lace substantially at the center, which ben ing strain is the most favorable. It will be understood that while the hose 0, is flexible it -has considerable rigidity, and when the bars (1 are swung on their pivots g, the ends of the hose a will remain substantially unflexed but the clamp 11 which embraces the hose will bend the latter at its middle portion.

The new device is naturally equally applicable for all kinds of-piping, for-example for pipe bends of 2, U or 8 form, etc.

Having thus described my invention, what I claim as new and desire to secure by Letters Patent is 1. In combination, two sections of iping, a flexible ipe secured to the ends t ereof, rigid memiiers jointed to the piping-sections parallel with the flexible pipe, and means tightly embracing the flexible pi e and loosely connecting the latter and t e rigid members medially tially as described.

2. In combination, two flanged sections of piping, a flanged flexible pipe secured to the piping-flanges, rigid bars pivoted to the ends of the piping-sections parallel with the flexible pipe, and a clamp tightly embracing the of the same, substanlatter and having a sliding connection with the said bars medially of the same, substantially as described.

3. In combination, two flanged sections of piping, a flanged section of flexible pipe interposed between, and connected to, the same, a pair of rigid parallel bars pivotally connected to the said sections of piping, and a clamp tightly embracing the flexible pipe section at substantially its median portion and slidingly embracing the parallel bars whereby the said clamp has comparatively slight relative movement to the bars and causes the flexible pipe section to bend uniformly at its central art.

In witness whereof have hereunto signed my name this 12th day of February 1906, in

the presence of two subscribing witnesses. CARL SCHMIDT.

Witnesses:

PAUL AREAS, PAUL E. SCHILLING. 

